﻿<common:LayoutAwarePage
    x:Name="pageRoot"
    x:Class="cnBlogs.MainPage"
    DataContext="{Binding DefaultViewModel, RelativeSource={RelativeSource Self}}"
    IsTabStop="false"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:cnBlogs"
    xmlns:data="using:cnBlogs.Data"
    xmlns:common="using:cnBlogs.Common"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:controls="using:cnBlogs.Common.UserControls"
    mc:Ignorable="d">

    <Page.Resources>
        <!--
            Collection of grouped items displayed by this page, bound to a subset
            of the complete item list because items in groups cannot be virtualized
        -->
        <CollectionViewSource
            x:Name="groupedItemsViewSource"
            Source="{Binding Groups}"
            IsSourceGrouped="true"
            ItemsPath="TopItems"
            d:Source="{Binding AllGroups, Source={d:DesignInstance Type=data:SampleDataSource, IsDesignTimeCreatable=True}}"/>
        <Style x:Key="ListViewItemStyle1" TargetType="ListViewItem">
            <Setter Property="FontFamily" Value="{StaticResource ContentControlThemeFontFamily}"/>
            <Setter Property="FontSize" Value="{StaticResource ControlContentThemeFontSize}"/>
            <Setter Property="Background" Value="Transparent"/>
            <Setter Property="TabNavigation" Value="Local"/>
            <Setter Property="IsHoldingEnabled" Value="True"/>
            <Setter Property="Margin" Value="0,0,18,2"/>
            <Setter Property="HorizontalContentAlignment" Value="Left"/>
            <Setter Property="VerticalContentAlignment" Value="Top"/>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="ListViewItem">
                        <Border x:Name="OuterContainer">
                            <VisualStateManager.VisualStateGroups>
                                <VisualStateGroup x:Name="CommonStates">
                                    <VisualState x:Name="Normal"/>
                                    <VisualState x:Name="PointerOver">
                                        <Storyboard>
                                            <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="PointerOverBorder"/>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="SelectionBackground">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource ListViewItemSelectedPointerOverBackgroundThemeBrush}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Stroke" Storyboard.TargetName="SelectedBorder">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource ListViewItemSelectedPointerOverBorderThemeBrush}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="SelectedEarmark">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource ListViewItemSelectedPointerOverBackgroundThemeBrush}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="Pressed">
                                        <Storyboard>
                                            <PointerDownThemeAnimation TargetName="ContentContainer"/>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="PointerOverPressed">
                                        <Storyboard>
                                            <PointerDownThemeAnimation TargetName="ContentContainer"/>
                                            <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="PointerOverBorder"/>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="SelectionBackground">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource ListViewItemSelectedPointerOverBackgroundThemeBrush}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Stroke" Storyboard.TargetName="SelectedBorder">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource ListViewItemSelectedPointerOverBorderThemeBrush}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="SelectedEarmark">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource ListViewItemSelectedPointerOverBackgroundThemeBrush}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="Disabled">
                                        <Storyboard>
                                            <DoubleAnimation Duration="0" To="{StaticResource ListViewItemDisabledThemeOpacity}" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="contentPresenter"/>
                                        </Storyboard>
                                    </VisualState>
                                </VisualStateGroup>
                                <VisualStateGroup x:Name="FocusStates">
                                    <VisualState x:Name="Focused">
                                        <Storyboard>
                                            <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="FocusVisual"/>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="Unfocused"/>
                                    <VisualState x:Name="PointerFocused"/>
                                </VisualStateGroup>
                                <VisualStateGroup x:Name="SelectionHintStates">
                                    <VisualStateGroup.Transitions>
                                        <VisualTransition GeneratedDuration="0:0:0.65" To="NoSelectionHint"/>
                                    </VisualStateGroup.Transitions>
                                    <VisualState x:Name="VerticalSelectionHint">
                                        <Storyboard>
                                            <SwipeHintThemeAnimation ToHorizontalOffset="0" TargetName="SelectionBackground" ToVerticalOffset="15"/>
                                            <SwipeHintThemeAnimation ToHorizontalOffset="0" TargetName="ContentBorder" ToVerticalOffset="15"/>
                                            <SwipeHintThemeAnimation ToHorizontalOffset="0" TargetName="SelectedBorder" ToVerticalOffset="15"/>
                                            <SwipeHintThemeAnimation ToHorizontalOffset="0" TargetName="SelectedCheckMark" ToVerticalOffset="15"/>
                                            <DoubleAnimationUsingKeyFrames Duration="0:0:0.500" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="HintGlyph">
                                                <DiscreteDoubleKeyFrame KeyTime="0:0:0" Value="0.5"/>
                                                <DiscreteDoubleKeyFrame KeyTime="0:0:0.500" Value="0"/>
                                            </DoubleAnimationUsingKeyFrames>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="HorizontalSelectionHint">
                                        <Storyboard>
                                            <SwipeHintThemeAnimation ToHorizontalOffset="-23" TargetName="SelectionBackground" ToVerticalOffset="0"/>
                                            <SwipeHintThemeAnimation ToHorizontalOffset="-23" TargetName="ContentBorder" ToVerticalOffset="0"/>
                                            <SwipeHintThemeAnimation ToHorizontalOffset="-23" TargetName="SelectedBorder" ToVerticalOffset="0"/>
                                            <SwipeHintThemeAnimation ToHorizontalOffset="-23" TargetName="SelectedCheckMark" ToVerticalOffset="0"/>
                                            <DoubleAnimationUsingKeyFrames Duration="0:0:0.500" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="HintGlyph">
                                                <DiscreteDoubleKeyFrame KeyTime="0:0:0" Value="0.5"/>
                                                <DiscreteDoubleKeyFrame KeyTime="0:0:0.500" Value="0"/>
                                            </DoubleAnimationUsingKeyFrames>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="NoSelectionHint"/>
                                </VisualStateGroup>
                                <VisualStateGroup x:Name="SelectionStates">
                                    <VisualState x:Name="Unselecting">
                                        <Storyboard>
                                            <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="HintGlyphBorder"/>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="Unselected">
                                        <Storyboard>
                                            <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="HintGlyphBorder"/>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="UnselectedPointerOver">
                                        <Storyboard>
                                            <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="HintGlyphBorder"/>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Foreground" Storyboard.TargetName="contentPresenter">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource ListViewItemSelectedForegroundThemeBrush}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="UnselectedSwiping">
                                        <Storyboard>
                                            <DoubleAnimation Duration="0" To="0.5" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="SelectingGlyph"/>
                                            <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="HintGlyphBorder"/>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="Selecting">
                                        <Storyboard>
                                            <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="SelectionBackground"/>
                                            <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="SelectedBorder"/>
                                            <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="SelectingGlyph"/>
                                            <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="HintGlyphBorder"/>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Foreground" Storyboard.TargetName="contentPresenter">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource ListViewItemSelectedForegroundThemeBrush}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="Selected">
                                        <Storyboard>
                                            <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="SelectionBackground"/>
                                            <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="SelectedBorder"/>
                                            <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="SelectedCheckMark"/>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Foreground" Storyboard.TargetName="contentPresenter">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource ListViewItemSelectedForegroundThemeBrush}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="SelectedSwiping">
                                        <Storyboard>
                                            <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="SelectionBackground"/>
                                            <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="SelectedBorder"/>
                                            <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="SelectedCheckMark"/>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Foreground" Storyboard.TargetName="contentPresenter">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource ListViewItemSelectedForegroundThemeBrush}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="SelectedUnfocused">
                                        <Storyboard>
                                            <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="SelectionBackground"/>
                                            <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="SelectedBorder"/>
                                            <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="SelectedCheckMark"/>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Foreground" Storyboard.TargetName="contentPresenter">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource ListViewItemSelectedForegroundThemeBrush}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                        </Storyboard>
                                    </VisualState>
                                </VisualStateGroup>
                                <VisualStateGroup x:Name="DragStates">
                                    <VisualStateGroup.Transitions>
                                        <VisualTransition GeneratedDuration="0:0:0.2" To="NotDragging"/>
                                    </VisualStateGroup.Transitions>
                                    <VisualState x:Name="NotDragging"/>
                                    <VisualState x:Name="Dragging">
                                        <Storyboard>
                                            <DoubleAnimation Duration="0" To="{StaticResource ListViewItemDragThemeOpacity}" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="InnerDragContent"/>
                                            <DragItemThemeAnimation TargetName="InnerDragContent"/>
                                            <FadeOutThemeAnimation TargetName="SelectedCheckMarkOuter"/>
                                            <FadeOutThemeAnimation TargetName="SelectedBorder"/>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="DraggingTarget">
                                        <Storyboard>
                                            <DropTargetItemThemeAnimation TargetName="OuterContainer"/>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="MultipleDraggingPrimary">
                                        <Storyboard>
                                            <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="MultiArrangeOverlayBackground"/>
                                            <DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="MultiArrangeOverlayText"/>
                                            <DoubleAnimation Duration="0" To="{StaticResource ListViewItemDragThemeOpacity}" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="ContentBorder"/>
                                            <FadeInThemeAnimation TargetName="MultiArrangeOverlayBackground"/>
                                            <FadeInThemeAnimation TargetName="MultiArrangeOverlayText"/>
                                            <DragItemThemeAnimation TargetName="ContentBorder"/>
                                            <FadeOutThemeAnimation TargetName="SelectionBackground"/>
                                            <FadeOutThemeAnimation TargetName="SelectedCheckMarkOuter"/>
                                            <FadeOutThemeAnimation TargetName="SelectedBorder"/>
                                            <FadeOutThemeAnimation TargetName="PointerOverBorder"/>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="MultipleDraggingSecondary">
                                        <Storyboard>
                                            <FadeOutThemeAnimation TargetName="ContentContainer"/>
                                        </Storyboard>
                                    </VisualState>
                                </VisualStateGroup>
                                <VisualStateGroup x:Name="ReorderHintStates">
                                    <VisualStateGroup.Transitions>
                                        <VisualTransition GeneratedDuration="0:0:0.2" To="NoReorderHint"/>
                                    </VisualStateGroup.Transitions>
                                    <VisualState x:Name="NoReorderHint"/>
                                    <VisualState x:Name="BottomReorderHint">
                                        <Storyboard>
                                            <DragOverThemeAnimation Direction="Bottom" ToOffset="{StaticResource ListViewItemReorderHintThemeOffset}" TargetName="ReorderHintContent"/>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="TopReorderHint">
                                        <Storyboard>
                                            <DragOverThemeAnimation Direction="Top" ToOffset="{StaticResource ListViewItemReorderHintThemeOffset}" TargetName="ReorderHintContent"/>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="RightReorderHint">
                                        <Storyboard>
                                            <DragOverThemeAnimation Direction="Right" ToOffset="{StaticResource ListViewItemReorderHintThemeOffset}" TargetName="ReorderHintContent"/>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="LeftReorderHint">
                                        <Storyboard>
                                            <DragOverThemeAnimation Direction="Left" ToOffset="{StaticResource ListViewItemReorderHintThemeOffset}" TargetName="ReorderHintContent"/>
                                        </Storyboard>
                                    </VisualState>
                                </VisualStateGroup>
                                <VisualStateGroup x:Name="DataVirtualizationStates">
                                    <VisualState x:Name="DataAvailable"/>
                                    <VisualState x:Name="DataPlaceholder">
                                        <Storyboard>
                                            <ObjectAnimationUsingKeyFrames Duration="0" Storyboard.TargetProperty="Visibility" Storyboard.TargetName="PlaceholderTextBlock">
                                                <DiscreteObjectKeyFrame KeyTime="0">
                                                    <DiscreteObjectKeyFrame.Value>
                                                        <Visibility>Visible</Visibility>
                                                    </DiscreteObjectKeyFrame.Value>
                                                </DiscreteObjectKeyFrame>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Duration="0" Storyboard.TargetProperty="Visibility" Storyboard.TargetName="PlaceholderRect">
                                                <DiscreteObjectKeyFrame KeyTime="0">
                                                    <DiscreteObjectKeyFrame.Value>
                                                        <Visibility>Visible</Visibility>
                                                    </DiscreteObjectKeyFrame.Value>
                                                </DiscreteObjectKeyFrame>
                                            </ObjectAnimationUsingKeyFrames>
                                        </Storyboard>
                                    </VisualState>
                                </VisualStateGroup>
                            </VisualStateManager.VisualStateGroups>
                            <Grid x:Name="ReorderHintContent" Background="Transparent">
                                <Path x:Name="SelectingGlyph" Data="F1 M133.1,17.9 L137.2,13.2 L144.6,19.6 L156.4,5.8 L161.2,9.9 L145.6,28.4 z" Fill="{StaticResource ListViewItemCheckSelectingThemeBrush}" FlowDirection="LeftToRight" HorizontalAlignment="Right" Height="13" Margin="0,9.5,9.5,0" Opacity="0" Stretch="Fill" VerticalAlignment="Top" Width="15"/>
                                <Border x:Name="HintGlyphBorder" HorizontalAlignment="Right" Height="40" Margin="4" Opacity="0" VerticalAlignment="Top" Width="40">
                                    <Path x:Name="HintGlyph" Data="F1 M133.1,17.9 L137.2,13.2 L144.6,19.6 L156.4,5.8 L161.2,9.9 L145.6,28.4 z" Fill="{StaticResource ListViewItemCheckHintThemeBrush}" FlowDirection="LeftToRight" HorizontalAlignment="Right" Height="13" Margin="0,5.5,5.5,0" Opacity="0" Stretch="Fill" VerticalAlignment="Top" Width="15"/>
                                </Border>
                                <Border x:Name="ContentContainer">
                                    <Grid x:Name="InnerDragContent">
                                        <Rectangle x:Name="PointerOverBorder" Fill="{StaticResource ListViewItemPointerOverBackgroundThemeBrush}" IsHitTestVisible="False" Margin="1" Opacity="0"/>
                                        <Rectangle x:Name="FocusVisual" IsHitTestVisible="False" Opacity="0" Stroke="{StaticResource ListViewItemFocusBorderThemeBrush}" StrokeThickness="2"/>
                                        <Rectangle x:Name="SelectionBackground" Fill="{StaticResource ListViewItemSelectedBackgroundThemeBrush}" Margin="4" Opacity="0"/>
                                        <Border x:Name="ContentBorder" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Margin="4">
                                            <Grid>
                                                <ContentPresenter x:Name="contentPresenter" ContentTemplate="{TemplateBinding ContentTemplate}" ContentTransitions="{TemplateBinding ContentTransitions}" Content="{TemplateBinding Content}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
                                                <TextBlock x:Name="PlaceholderTextBlock" Foreground="{x:Null}" IsHitTestVisible="False" Margin="{TemplateBinding Padding}" Opacity="0" Text="Xg"/>
                                                <Rectangle x:Name="PlaceholderRect" Fill="{StaticResource ListViewItemPlaceholderBackgroundThemeBrush}" IsHitTestVisible="False" Visibility="Collapsed"/>
                                                <Rectangle x:Name="MultiArrangeOverlayBackground" Fill="{StaticResource ListViewItemDragBackgroundThemeBrush}" IsHitTestVisible="False" Opacity="0"/>
                                            </Grid>
                                        </Border>
                                        <Rectangle x:Name="SelectedBorder" IsHitTestVisible="False" Margin="4" Opacity="0" Stroke="{StaticResource ListViewItemSelectedBackgroundThemeBrush}" StrokeThickness="{StaticResource ListViewItemSelectedBorderThemeThickness}"/>
                                        <Border x:Name="SelectedCheckMarkOuter" HorizontalAlignment="Right" IsHitTestVisible="False" Margin="4" VerticalAlignment="Top">
                                            <Grid x:Name="SelectedCheckMark" Height="40" Opacity="0" Width="40">
                                                <Path x:Name="SelectedEarmark" Data="M0,0 L40,0 L40,40 z" Fill="{StaticResource ListViewItemSelectedBackgroundThemeBrush}" Stretch="Fill"/>
                                                <Path Data="F1 M133.1,17.9 L137.2,13.2 L144.6,19.6 L156.4,5.8 L161.2,9.9 L145.6,28.4 z" Fill="{StaticResource ListViewItemCheckThemeBrush}" FlowDirection="LeftToRight" HorizontalAlignment="Right" Height="13" Margin="0,5.5,5.5,0" Stretch="Fill" VerticalAlignment="Top" Width="15"/>
                                            </Grid>
                                        </Border>
                                        <TextBlock x:Name="MultiArrangeOverlayText" Foreground="{StaticResource ListViewItemDragForegroundThemeBrush}" FontSize="26.667" FontFamily="{StaticResource ContentControlThemeFontFamily}" IsHitTestVisible="False" Margin="18,9,0,0" Opacity="0" TextWrapping="Wrap" Text="{Binding TemplateSettings.DragItemsCount, RelativeSource={RelativeSource Mode=TemplatedParent}}" TextTrimming="WordEllipsis"/>
                                    </Grid>
                                </Border>
                            </Grid>
                        </Border>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
        <Storyboard x:Name="showQuickStartPanel">
            <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Visibility)" Storyboard.TargetName="sp_quickStart">
                <DiscreteObjectKeyFrame KeyTime="0">
                    <DiscreteObjectKeyFrame.Value>
                        <Visibility>Visible</Visibility>
                    </DiscreteObjectKeyFrame.Value>
                </DiscreteObjectKeyFrame>
                <DiscreteObjectKeyFrame KeyTime="0:0:0.3">
                    <DiscreteObjectKeyFrame.Value>
                        <Visibility>Visible</Visibility>
                    </DiscreteObjectKeyFrame.Value>
                </DiscreteObjectKeyFrame>
            </ObjectAnimationUsingKeyFrames>
            <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Opacity)" Storyboard.TargetName="sp_quickStart">
                <EasingDoubleKeyFrame KeyTime="0" Value="0"/>
                <EasingDoubleKeyFrame KeyTime="0:0:0.3" Value="1"/>
            </DoubleAnimationUsingKeyFrames>
            <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(CompositeTransform.ScaleX)" Storyboard.TargetName="sp_quickStart">
                <EasingDoubleKeyFrame KeyTime="0" Value="1">
                    <EasingDoubleKeyFrame.EasingFunction>
                        <BackEase EasingMode="EaseIn"/>
                    </EasingDoubleKeyFrame.EasingFunction>
                </EasingDoubleKeyFrame>
                <EasingDoubleKeyFrame KeyTime="0:0:0.3" Value="1">
                    <EasingDoubleKeyFrame.EasingFunction>
                        <BackEase EasingMode="EaseIn"/>
                    </EasingDoubleKeyFrame.EasingFunction>
                </EasingDoubleKeyFrame>
            </DoubleAnimationUsingKeyFrames>
            <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(CompositeTransform.SkewX)" Storyboard.TargetName="sp_quickStart">
                <EasingDoubleKeyFrame KeyTime="0" Value="0">
                    <EasingDoubleKeyFrame.EasingFunction>
                        <BackEase EasingMode="EaseIn"/>
                    </EasingDoubleKeyFrame.EasingFunction>
                </EasingDoubleKeyFrame>
                <EasingDoubleKeyFrame KeyTime="0:0:0.3" Value="0">
                    <EasingDoubleKeyFrame.EasingFunction>
                        <BackEase EasingMode="EaseIn"/>
                    </EasingDoubleKeyFrame.EasingFunction>
                </EasingDoubleKeyFrame>
            </DoubleAnimationUsingKeyFrames>
            <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(CompositeTransform.ScaleY)" Storyboard.TargetName="sp_quickStart">
                <EasingDoubleKeyFrame KeyTime="0" Value="1">
                    <EasingDoubleKeyFrame.EasingFunction>
                        <BackEase EasingMode="EaseIn"/>
                    </EasingDoubleKeyFrame.EasingFunction>
                </EasingDoubleKeyFrame>
                <EasingDoubleKeyFrame KeyTime="0:0:0.3" Value="1">
                    <EasingDoubleKeyFrame.EasingFunction>
                        <BackEase EasingMode="EaseIn"/>
                    </EasingDoubleKeyFrame.EasingFunction>
                </EasingDoubleKeyFrame>
            </DoubleAnimationUsingKeyFrames>
            <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Projection).(PlaneProjection.RotationX)" Storyboard.TargetName="sp_quickStart">
                <EasingDoubleKeyFrame KeyTime="0" Value="90"/>
                <EasingDoubleKeyFrame KeyTime="0:0:0.3" Value="0"/>
            </DoubleAnimationUsingKeyFrames>
        </Storyboard>
        <Storyboard x:Name="hideQuidkStartPanel">
            <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Visibility)" Storyboard.TargetName="sp_quickStart">
                <DiscreteObjectKeyFrame KeyTime="0">
                    <DiscreteObjectKeyFrame.Value>
                        <Visibility>Visible</Visibility>
                    </DiscreteObjectKeyFrame.Value>
                </DiscreteObjectKeyFrame>
                <DiscreteObjectKeyFrame KeyTime="0:0:0.28">
                    <DiscreteObjectKeyFrame.Value>
                        <Visibility>Collapsed</Visibility>
                    </DiscreteObjectKeyFrame.Value>
                </DiscreteObjectKeyFrame>
            </ObjectAnimationUsingKeyFrames>
            <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Opacity)" Storyboard.TargetName="sp_quickStart">
                <EasingDoubleKeyFrame KeyTime="0" Value="1"/>
                <EasingDoubleKeyFrame KeyTime="0:0:0.28" Value="0"/>
            </DoubleAnimationUsingKeyFrames>
        </Storyboard>

    </Page.Resources>

    <common:LayoutAwarePage.TopAppBar>
        <AppBar Background="#a02eaaea" BorderBrush="Transparent" Padding="0">
            <StackPanel x:Name="stackpanel1" Orientation="Vertical" VerticalAlignment="Bottom">
                <StackPanel Orientation="Horizontal">
                    <Button Background="#a02eaaff" Content="文章分类" BorderThickness="0" x:Name="bt_Category" Click="Button_Click_1" FontWeight="Normal" FontSize="50" Style="{StaticResource AppBarButton}"/>
                    <Button Background="#a02eaaff" VerticalAlignment="Bottom" Height="{Binding ActualHeight,ElementName=bt_TopView}" Content="▼" BorderThickness="0" Click="Button_Click_3" FontWeight="Normal" FontSize="25" Style="{StaticResource AppBarButton}"/>
                    <Button Background="#a02eaaff" VerticalAlignment="Bottom" Content="48小时阅读排行" BorderThickness="0" x:Name="bt_TopView" Click="bt_TopView_Click_1" FontWeight="Normal" FontSize="40" Style="{StaticResource AppBarButton}"/>
                    <Button Background="#a02eaaff" VerticalAlignment="Bottom" Content="10天内推荐排行" BorderThickness="0" x:Name="bt_TopDiggs" Click="bt_TopDiggs_Click_1"  FontWeight="Normal" FontSize="40" Style="{StaticResource AppBarButton}"/>
                    <Button Background="#a02eaaff" VerticalAlignment="Bottom" Content="新闻" BorderThickness="0" x:Name="bt_News" Click="bt_News_Click_1"  FontWeight="Normal" FontSize="40" Style="{StaticResource AppBarButton}"/>
                </StackPanel>
                <StackPanel x:Name="sp_quickStart" Visibility="Collapsed" Canvas.ZIndex="-1" RenderTransformOrigin="0.5,0.5">
                    <StackPanel.Projection>
                        <PlaneProjection CenterOfRotationY="0"/>
                    </StackPanel.Projection>
                    <StackPanel.RenderTransform>
                        <CompositeTransform />
                    </StackPanel.RenderTransform>
                    <TextBlock Text="快速导航:" FontSize="20" VerticalAlignment="Center" Foreground="{StaticResource BackButtonPointerOverForegroundThemeBrush}"></TextBlock>
                    <ListView x:Name="lv_quickStart" IsItemClickEnabled="True" ItemClick="lv_quickStart_ItemClick_1" Background="#a02eaaff" ItemsSource="{Binding QucikNavigation}" ItemContainerStyle="{StaticResource ListViewItemStyle1}">
                        <ListView.ItemsPanel>
                            <ItemsPanelTemplate >
                                <WrapGrid Orientation="Horizontal" />
                            </ItemsPanelTemplate>
                        </ListView.ItemsPanel>
                        <ListView.ItemTemplate>
                            <DataTemplate>
                                <Grid VerticalAlignment="Center">
                                    <Grid.ColumnDefinitions>
                                        <ColumnDefinition/>
                                        <ColumnDefinition Width="Auto"/>
                                    </Grid.ColumnDefinitions>
                                    <TextBlock VerticalAlignment="Center" Width="250" TextTrimming="WordEllipsis"  Padding="0" Margin="0" Text="{Binding CategoryName}" FontWeight="Normal" FontSize="30"/>
                                    <Button Grid.Column="1" x:Name="deleted" Padding="0" Margin="0" Click="deleted_Click_1" Style="{StaticResource DeleteAppBarButtonStyle}" />
                                </Grid>

                            </DataTemplate>
                        </ListView.ItemTemplate>
                    </ListView>
                </StackPanel>
            </StackPanel>
        </AppBar>
    </common:LayoutAwarePage.TopAppBar>
    <!--
        This grid acts as a root panel for the page that defines two rows:
        * Row 0 contains the back button and page title
        * Row 1 contains the rest of the page layout
    -->
    <Grid Style="{StaticResource LayoutRootStyle}">
        <Grid.RowDefinitions>
            <RowDefinition Height="140"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>
        <controls:Backgound  Grid.RowSpan="2" />
        <!-- Back button and page title -->
        <Grid>
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="Auto"/>
                <ColumnDefinition Width="*"/>
            </Grid.ColumnDefinitions>
            <Button x:Name="backButton" Click="GoBack" DataContext="{Binding ElementName=pageRoot}" IsEnabled="{Binding Frame.CanGoBack, ElementName=pageRoot}" Style="{StaticResource BackButtonStyle}"/>
            <TextBlock x:Name="pageTitle" Text="{StaticResource AppName}" Grid.Column="1" Style="{StaticResource PageHeaderTextStyle}"/>
            <ProgressBar Grid.ColumnSpan="2" VerticalAlignment="Top" Foreground="White" Canvas.ZIndex="3" Margin="0,6,0,0" IsIndeterminate="{Binding MainVMArticleList.IsBusy}"/>
        </Grid>

        <!-- Horizontal scrolling grid used in most view states -->
        <GridView
            x:Name="itemGridView"
            AutomationProperties.AutomationId="ItemGridView"
            AutomationProperties.Name="Grouped Items"
            Grid.Row="1"
            Margin="0,-3,0,0"
            Padding="116,0,40,46"
            ItemsSource="{Binding MainVMArticleList}"
            ItemTemplate="{StaticResource Standard250x250ItemTemplate}"
            SelectionMode="None"
            IsItemClickEnabled="True"
            ItemClick="ItemView_ItemClick">

            <GridView.ItemsPanel>
                <ItemsPanelTemplate>
                    <WrapGrid  Orientation="Vertical" />
                </ItemsPanelTemplate>
            </GridView.ItemsPanel>
            <GridView.GroupStyle>
                <GroupStyle>
                    <GroupStyle.HeaderTemplate>
                        <DataTemplate>
                            <Grid Margin="1,0,0,6">
                                <Button
                                    AutomationProperties.Name="Group Title"
                                    Content="{Binding Title}"
                                    Click="Header_Click"
                                    Style="{StaticResource TextButtonStyle}"/>
                            </Grid>
                        </DataTemplate>
                    </GroupStyle.HeaderTemplate>
                    <GroupStyle.Panel>
                        <ItemsPanelTemplate>
                            <VariableSizedWrapGrid Orientation="Vertical" Margin="0,0,80,0"/>
                        </ItemsPanelTemplate>
                    </GroupStyle.Panel>
                </GroupStyle>
            </GridView.GroupStyle>
        </GridView>

        <!-- Vertical scrolling list only used when snapped -->
        <ListView
            x:Name="itemListView"
            AutomationProperties.AutomationId="ItemListView"
            AutomationProperties.Name="Grouped Items"
            Grid.Row="1"
            Visibility="Collapsed"
            Margin="0,-10,0,0"
            Padding="10,0,0,60"
            ItemsSource="{Binding Source={StaticResource groupedItemsViewSource}}"
            ItemTemplate="{StaticResource Standard80ItemTemplate}"
            SelectionMode="None"
            IsItemClickEnabled="True"
            ItemClick="ItemView_ItemClick">

            <ListView.GroupStyle>
                <GroupStyle>
                    <GroupStyle.HeaderTemplate>
                        <DataTemplate>
                            <Grid Margin="7,7,0,0">
                                <Button
                                    AutomationProperties.Name="Group Title"
                                    Content="{Binding Title}"
                                    Click="Header_Click"
                                    Style="{StaticResource TextButtonStyle}"/>
                            </Grid>
                        </DataTemplate>
                    </GroupStyle.HeaderTemplate>
                </GroupStyle>
            </ListView.GroupStyle>
        </ListView>

        <VisualStateManager.VisualStateGroups>

            <!-- Visual states reflect the application's view state -->
            <VisualStateGroup x:Name="ApplicationViewStates">
                <VisualState x:Name="FullScreenLandscape"/>
                <VisualState x:Name="Filled"/>

                <!-- The entire page respects the narrower 100-pixel margin convention for portrait -->
                <VisualState x:Name="FullScreenPortrait">
                    <Storyboard>
                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="backButton" Storyboard.TargetProperty="Style">
                            <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource PortraitBackButtonStyle}"/>
                        </ObjectAnimationUsingKeyFrames>

                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="itemGridView" Storyboard.TargetProperty="Padding">
                            <DiscreteObjectKeyFrame KeyTime="0" Value="96,0,10,56"/>
                        </ObjectAnimationUsingKeyFrames>
                    </Storyboard>
                </VisualState>

                <!--
                    The back button and title have different styles when snapped, and the list representation is substituted
                    for the grid displayed in all other view states
                -->
                <VisualState x:Name="Snapped">
                    <Storyboard>
                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="backButton" Storyboard.TargetProperty="Style">
                            <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SnappedBackButtonStyle}"/>
                        </ObjectAnimationUsingKeyFrames>
                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="pageTitle" Storyboard.TargetProperty="Style">
                            <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SnappedPageHeaderTextStyle}"/>
                        </ObjectAnimationUsingKeyFrames>

                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="itemListView" Storyboard.TargetProperty="Visibility">
                            <DiscreteObjectKeyFrame KeyTime="0" Value="Visible"/>
                        </ObjectAnimationUsingKeyFrames>
                        <ObjectAnimationUsingKeyFrames Storyboard.TargetName="itemGridView" Storyboard.TargetProperty="Visibility">
                            <DiscreteObjectKeyFrame KeyTime="0" Value="Collapsed"/>
                        </ObjectAnimationUsingKeyFrames>
                    </Storyboard>
                </VisualState>
            </VisualStateGroup>
        </VisualStateManager.VisualStateGroups>
    </Grid>
</common:LayoutAwarePage>
